cyclopentoxide anion


Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: John E. Bartmess

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Individual Reactions

C5H9O- + Hydrogen cation = Cyclopentanol

By formula: C5H9O- + H+ = C5H10O

Quantity Value Units Method Reference Comment
Δr383.0 ± 4.6kcal/molD-EAAlconcel and Continetti, 2002gas phase; derived acidity seems ca. 10 kcal/mol too weak, and EA likewise
Quantity Value Units Method Reference Comment
Δr366.9 ± 1.1kcal/molN/AGarver, Yang, et al., 2011gas phase
Δr374.9 ± 4.7kcal/molH-TSAlconcel and Continetti, 2002gas phase; derived acidity seems ca. 10 kcal/mol too weak, and EA likewise

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: John E. Bartmess

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
1.50 ± 0.10LPDAlconcel and Continetti, 2002derived acidity seems ca. 10 kcal/mol too weak, and EA likewise

Protonation reactions

C5H9O- + Hydrogen cation = Cyclopentanol

By formula: C5H9O- + H+ = C5H10O

Quantity Value Units Method Reference Comment
Δr383.0 ± 4.6kcal/molD-EAAlconcel and Continetti, 2002gas phase; derived acidity seems ca. 10 kcal/mol too weak, and EA likewise
Quantity Value Units Method Reference Comment
Δr366.9 ± 1.1kcal/molN/AGarver, Yang, et al., 2011gas phase
Δr374.9 ± 4.7kcal/molH-TSAlconcel and Continetti, 2002gas phase; derived acidity seems ca. 10 kcal/mol too weak, and EA likewise

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Alconcel and Continetti, 2002
Alconcel, L.S.; Continetti, R.E., Dissociation dynamics and stability of cyclopentoxy and cyclopentoxide, Chem. Phys. Lett., 2002, 366, 5-6, 642-649, https://doi.org/10.1016/S0009-2614(02)01633-0 . [all data]

Garver, Yang, et al., 2011
Garver, J.M.; Yang, Z.B.; Kato, S.; Wren, S.W.; Vogelhuber, K.M.; Lineberger, W.C.; Bierbaum, V.M., Gas Phase Reactions of 1,3,5-Triazine: Proton Transfer, Hydride Transfer, and Anionic sigma-Adduct Formation, J. Am. Soc. Mass Spectrom., 2011, 22, 7, 1260-1272, https://doi.org/10.1007/s13361-011-0133-9 . [all data]


Notes

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